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Lenovo L21M4P71 Replacement Battery vs Lenovo L23D4P71 Replacement Battery: Comparison
L21M4P71 Replacement Battery vs L23D4P71 Replacement Battery: the battery model code difference
These two are close on paper, and battery model code is the only measure that separates them at all: L21M4P71 Replacement Battery L21M4P71 against L23D4P71 Replacement Battery L23D4P71. There is a split on expected firmware state as well, unknown on the L21M4P71 Replacement Battery versus full_function on the L23D4P71 Replacement Battery. Compatible models is not the same on both, Lenovo ThinkPad P14s Gen 5 AMD on the L21M4P71 Replacement Battery versus Lenovo ThinkPad T14 Gen 5 on the L23D4P71 Replacement Battery.
Which should you buy, L21M4P71 Replacement Battery or L23D4P71 Replacement Battery?
The L21M4P71 Replacement Battery suits ThinkPad P14s Gen 5 AMD owners, though it is not built for anyone needing a generation-specific confirmed capacity. Buy the L23D4P71 Replacement Battery for ThinkPad T14 Gen 5 owners, though it is not the pick for earlier ThinkPad T14 generations.
Where the two are identical
Where they agree, they agree completely, nominal voltage, capacity wh, capacity basis and shipping classification included, so the decision does not turn on any of those.
Specs and benchmarks
Brand
- Lenovo L21M4P71 Replacement Battery
- Lenovo
- Lenovo L23D4P71 Replacement Battery
- Lenovo
Battery Model Code
- Lenovo L21M4P71 Replacement Battery
- L21M4P71
- Lenovo L23D4P71 Replacement Battery
- L23D4P71Best
Nominal Voltage
- Lenovo L21M4P71 Replacement Battery
- 15.48 V
- Lenovo L23D4P71 Replacement Battery
- 15.48 V
Capacity Wh
- Lenovo L21M4P71 Replacement Battery
- 52.5 Wh
- Lenovo L23D4P71 Replacement Battery
- 52.5 Wh
Capacity Basis
- Lenovo L21M4P71 Replacement Battery
- Seller Claim
- Lenovo L23D4P71 Replacement Battery
- Seller Claim
Expected Firmware State
- Lenovo L21M4P71 Replacement Battery
- unknown
- Lenovo L23D4P71 Replacement Battery
- full_function
Shipping Classification
- Lenovo L21M4P71 Replacement Battery
- UN3481
- Lenovo L23D4P71 Replacement Battery
- UN3481
Compatible Models
- Lenovo L21M4P71 Replacement Battery
- Lenovo ThinkPad P14s Gen 5 AMD (Ryzen 7 PRO 8840HS, 32GB, 1TB)
- Lenovo L23D4P71 Replacement Battery
- Lenovo ThinkPad T14 Gen 5 (Core Ultra 7 155U, 16GB, 512GB)
Which one should you pick?
Choose Lenovo L21M4P71 Replacement Battery if you want the higher capacity wh (52.5 Wh vs 52.5 Wh).
Choose Lenovo L23D4P71 Replacement Battery if you already have it on hand or find it at a lower price.




